body {
  font-family: Arial, sans-serif;
  padding: 15px;
}

a{
  text-decoration: none;
}

.btn{
  color: #000;
  text-decoration: none;
  padding: 4px 8px;
  margin-right: 5px;
  background-color: #ddd;
  border-radius: 3px;
  transition: background-color 0.3s;
  cursor: pointer;
}

.btn:hover{
  background: #999;
}

.btn-light{
  color: #000;
  background-color: #f2f2f2;

  text-decoration: none;
  padding: 4px 8px;
  margin-right: 5px;
  border-radius: 3px;
  transition: background-color 0.3s;
  cursor: pointer;
}

.btn-light:hover{
  background: #ddd;
}

.btn-pause{
  color: #F5F5F5;
  background-color: #ffa116;

  text-decoration: none;
  padding: 4px 8px;
  margin-right: 5px;
  border-radius: 3px;
  transition: background-color 0.3s;
  cursor: pointer;
}

.btn-pause:hover{
  /*background: #ddd;*/
  background: #ffc063;
}

.btn2{
  color: #000;
  text-decoration: none;
  padding: 10px 30px;
  margin-right: 10px;
  background-color: #aaa;
  border-radius: 3px;
  transition: background-color 0.3s;
  cursor: pointer;
  font-size: 16px;
  color: #fff;
}

.btn2:hover{
  background: #999;
}

#icon {
  width: 64px;
  height: 64px;
  background-image: url('../images/icon_128.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  cursor: pointer;
}

/* 版本号 */
.version {
  position: fixed;
  bottom: 5px;
  right: 5px;
  font-size: 10px;
  color: #777;
  z-index: 99;
  cursor: pointer;
}

/*
 * ============================================================================
 * Dark Mode Styles
 * ============================================================================
 */

body.dark-mode {
  background-color: #1a1a1a;
  color: #ffffff;
}

body.dark-mode .btn,
body.dark-mode .btn2,
body.dark-mode .btn-light {
  color: #eff1f6bf;
  background-color: #ffffff1a;
}

body.dark-mode .btn:hover,
body.dark-mode .btn2:hover,
body.dark-mode .btn-light:hover {
  background-color: #ffffff6a;
}

body.dark-mode #icon {
  background-image: url('../images/icon_128_dark.png');
}

body.dark-mode .version {
  position: fixed;
  bottom: 5px;
  right: 5px;
  font-size: 10px;
  color: #AAAAAA;
  z-index: 99;
  cursor: pointer;
}